Adware.Gexin.23649

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

TCP(???) sdk.o####.t####.####.com:5224
TCP(???) cm-10####.g####.com:5226
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) k####.eas####.com:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) def####.duals####.cn.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) 2####.239.32.223:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.2) 74.1####.205.102:443
TCP(TLS/1.2) www.google####.com:443
TCP(TLS/1.2) 2####.239.38.223:443
TCP(TLS/1.2) 1####.251.151.119:443

DNS requests:

adt.x####.com
and####.b####.qq.com
api.growi####.com
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-10####.g####.com
def####.duals####.cn.####.com
k####.eas####.com
l####.tbs.qq.com
sdk-ope####.g####.com
sdk.c####.g####.####.cn
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t.growi####.com
www.google####.com

HTTP GET requests:

def####.duals####.cn.####.com/bar/get/579c642ce0f55aeeb1001ebc/?ud_get=#...
k####.eas####.com/v1/visitors/tenants/20888?sdkVersion=####&appKey=####&...
sdk.c####.g####.####.cn/config/hzv9.conf
t.growi####.com:443/app/a5d9c8b34595b7f4/android/devices?u=####&dm=####&...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
api.growi####.com:443/v2/a5d9c8b34595b7f4/android/action?stm=####
api.growi####.com:443/v2/a5d9c8b34595b7f4/android/pv?stm=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk-ope####.g####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1781252788620.log
/data/data/####/1781252789244_4384
/data/data/####/1781252789382_4384
/data/data/####/1781252789433_4384
/data/data/####/1781252789533_4384
/data/data/####/1781252796490_4696
/data/data/####/1781252796602_4696
/data/data/####/1781252796675_4696
/data/data/####/1781252799005_4696
/data/data/####/1781252799053_4696
/data/data/####/1781252799242_4696
/data/data/####/1781252799342_4696
/data/data/####/1781252799376_4696
/data/data/####/1781252799422_4696
/data/data/####/LQ_USER_INFO_DATA.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TD_app_pefercen_profile.xml.bak
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_longtime1.xml
/data/data/####/XinSuDai.db
/data/data/####/XinSuDai.db-journal
/data/data/####/analytics-android-cn.mifengkong.huaxiaapp.xml
/data/data/####/authStatus_cn.mifengkong.huaxiaapp;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/cn.mifengkong.huaxiaapp
/data/data/####/cn.mifengkong.jianrong.tab.xml
/data/data/####/common_js
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/getui_sp.xml
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/hst.db
/data/data/####/httpclient-req-1439318963.cache
/data/data/####/httpclient-req-1439318963.cache (deleted)
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kefuinfo.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/mac.xml
/data/data/####/not_clear_sp.xml
/data/data/####/not_clear_sp.xml.bak
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share_name.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdid.xml
/data/data/####/umeng_socialize.xml
/data/media/####/.a4b154574052b48a9b945f81425d8adb
/data/media/####/.cuid2
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/cn.mifengkong.huaxiaapp.bin
/data/media/####/cn.mifengkong.huaxiaapp.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/easemob.log
/data/media/####/tbslog.txt
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
getprop
getprop ro.product.cpu.abi

Loads the following dynamic libraries:

libgetuiext2
libhyphenate
libjiagu
libsqlite

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
RC4
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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